69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
/*
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Copyright (c) 2003, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TORRENT_SESSION_SETTINGS_HPP_INCLUDED
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#define TORRENT_SESSION_SETTINGS_HPP_INCLUDED
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namespace libtorrent
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{
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struct TORRENT_EXPORT session_settings
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{
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session_settings()
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: piece_timeout(120)
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, request_queue_time(3.f)
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, sequenced_download_threshold(7)
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{}
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// the number of seconds from a request is sent until
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// it times out if no piece response is returned.
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int piece_timeout;
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// the length of the request queue given in the number
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// of seconds it should take for the other end to send
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// all the pieces. i.e. the actual number of requests
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// depends on the download rate and this number.
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float request_queue_time;
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// this is the limit on how popular a piece has to be
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// (popular == inverse of rarity) to be downloaded
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// in sequence instead of in random (rarest first) order.
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// it can be used to tweak disk performance in settings
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// where the random download property is less necessary.
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// for example, if the threshold is 7, all pieces which 7
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// or more peers have, will be downloaded in index order.
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int sequenced_download_threshold;
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};
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}
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#endif
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